<!DOCTYPE html>
<link rel="match" href="../../expected/svg/zero-area-mask-ref.html" />
This should be visible.
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" style="width: 0px">
    <mask id="abc"></mask>
    <g mask="url(#abc)"></g>
</svg>
